Finding the Fourth Proportional to 585,964.53, 808,648.11 and 331,310.25
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Solution
The fourth proportional to 585,964.53, 808,648.11 and 331,310.25 is: 457,217.79
Step by Step Solution
- Step 1: Write the proportion equation
585,964.53 : 808,648.11 = 331,310.25 : x - Step 2: Convert to fraction form
585,964.53/808,648.11 = 331,310.25/x - Step 3: Cross multiply
585,964.53x = 808,648.11 × 331,310.25 - Step 4: Simplify right side
585,964.53x = 267,913,407,486.13 - Step 5: Solve for x
x = 267,913,407,486.13/585,964.53 - Step 6: Final answer
x = 457,217.79
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.